Gueuze Lambic
Belgian Lambic or Gueuze beers are spontaneously fermented with bacterial and yeast-derived sourness that sometimes includes acetic flavours. Lambics are not blended, while the Gueuze-style blends old and new lambics which are re-fermented in the bottle. While “Spontaneous” or “Wild” beers made this way can be produced anywhere in the world, the term Lambic and Gueuze is often only used for the beers that come from the area around Brussels.